7KB1

Complex of O-acety-L-homoserine aminocarboxypropyltransferase (MetY) from Thermotoga maritima and a key reaction intermediate

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d7kb1a_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
B	d7kb1b_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
C	d7kb1c_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
D	d7kb1d_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PLP-dependent transferases	8103532	3000954	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8103532	3000954	SCOP2B (2022-06-29)
C	SCOP2 Family	Cystathionine synthase-like	8103531	4000672	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	PLP-dependent transferases	8103532	3000954	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	PLP-dependent transferases	8103532	3000954	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cys_Met_Meta_PP_C	e7kb1A2	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Cys_Met_Meta_PP_C	ECOD (1.6)
A	Cys_Met_Meta_PP_N	e7kb1A1	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Cys_Met_Meta_PP_N	ECOD (1.6)
B	Cys_Met_Meta_PP_C	e7kb1B1	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Cys_Met_Meta_PP_C	ECOD (1.6)
B	Cys_Met_Meta_PP_N	e7kb1B2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Cys_Met_Meta_PP_N	ECOD (1.6)
C	Cys_Met_Meta_PP_C	e7kb1C1	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Cys_Met_Meta_PP_C	ECOD (1.6)
C	Cys_Met_Meta_PP_N	e7kb1C2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Cys_Met_Meta_PP_N	ECOD (1.6)
D	Cys_Met_Meta_PP_C	e7kb1D1	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Cys_Met_Meta_PP_C	ECOD (1.6)
D	Cys_Met_Meta_PP_N	e7kb1D2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Cys_Met_Meta_PP_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01053	Cys/Met metabolism PLP-dependent enzyme (Cys_Met_Meta_PP)	Cys/Met metabolism PLP-dependent enzyme	This family includes enzymes involved in cysteine and methionine metabolism. The following are members: Cystathionine gamma-lyase, Cystathionine gamma-synthase, Cystathionine beta-lyase, Methionine gamma-lyase, OAH/OAS sulfhydrylase, O-succinylhomos ...	This family includes enzymes involved in cysteine and methionine metabolism. The following are members: Cystathionine gamma-lyase, Cystathionine gamma-synthase, Cystathionine beta-lyase, Methionine gamma-lyase, OAH/OAS sulfhydrylase, O-succinylhomoserine sulfhydrylase All of these members participate is slightly different reactions. All these enzymes use PLP (pyridoxal-5'-phosphate) as a cofactor.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	O-acetyl-L-homoserine sulfhydrylase	O-acetylhomoserine aminocarboxypropyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity cysteine synthase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding O-acetylhomoserine aminocarboxypropyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity cysteine synthase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding O-acetylhomoserine sulfhydrylase activity lyase activity carbon-oxygen lyase activity	homocysteine metabolic process serine family amino acid metabolic process oxoacid metabolic process sulfur amino acid metabolic process cellular metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process transsulfuration alpha-amino acid metabolic process L-amino acid metabolic process cysteine metabolic process non-proteinogenic amino acid metabolic process proteinogenic amino acid metabolic process homocysteine metabolic process serine family amino acid metabolic process oxoacid metabolic process sulfur amino acid metabolic process cellular metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid metabolic process transsulfuration alpha-amino acid metabolic process L-amino acid metabolic process cysteine metabolic process non-proteinogenic amino acid metabolic process proteinogenic amino acid metabolic process metabolic process small molecule metabolic process cellular process sulfur compound metabolic process homoserine metabolic process cellular biosynthetic process organic acid biosynthetic process carboxylic acid biosynthetic process non-proteinogenic amino acid biosynthetic process small molecule biosynthetic process L-amino acid biosynthetic process homocysteine biosynthetic process amino acid biosynthetic process sulfur compound biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process serine family amino acid biosynthetic process L-homocysteine biosynthetic process sulfur amino acid biosynthetic process alpha-amino acid biosynthetic process cysteine biosynthetic process cysteine biosynthetic process from serine L-serine metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B, C, D	IPR000277	Cys/Met metabolism, pyridoxal phosphate-dependent enzyme	Family
A, B, C, D	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B, C, D	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B, C, D	IPR006235	O-acetylhomoserine/O-acetylserine sulfhydrylase	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.